Exhaust gas delivering pipe with cleaning device

Abstract

An exhaust gas delivering pipe with a cleaning device in which powder buildup can be more effectively prevented. An exhaust gas delivering pipe with a cleaning device in accordance with the present invention comprises a spring placed in the inside of the exhaust gas delivering pipe with a cleaning device, and having an outer circumference which is the same size as the inner circumference of the pipe and a motor installed at the end of the spring to rotate the spring. An elbow box is utilized to connect two or more pipes, and the spring passes through the elbow box and connects to the motors placed on opposite sides of the pipe.

Dependencies are inferred from the claim text.